/*
 * Copyright 2018 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.netflix.spinnaker.clouddriver.google.provider.agent.util;

import com.google.api.client.googleapis.batch.json.JsonBatchCallback;
import com.google.api.client.googleapis.json.GoogleJsonError;
import com.google.api.client.http.HttpHeaders;
import java.io.IOException;

public abstract class PaginatedCallback<T> extends JsonBatchCallback<T> {
  private final JsonBatchCallback<T> innerCallback;

  PaginatedCallback(JsonBatchCallback<T> innerCallback) {
    this.innerCallback = innerCallback;
  }

  @Override
  public void onFailure(GoogleJsonError e, HttpHeaders responseHeaders) throws IOException {
    innerCallback.onFailure(e, responseHeaders);
  }

  @Override
  public void onSuccess(T t, HttpHeaders responseHeaders) throws IOException {
    innerCallback.onSuccess(t, responseHeaders);
    requestNextBatch(t);
  }

  protected abstract void requestNextBatch(T t) throws IOException;
}
